#include "include/led.h"
extern void printf(const char *fmt, ...);
void delay_ms(unsigned int ms)
{
	int i,j;
	for(i = 0; i < ms;i++)
		for (j = 0; j < 1800; j++);
}


int main()
{
	hal_led_init();
	while(1)
	{
		// 实现led灯的交替闪烁
		hal_led_flash();
	}
	return 0;
}
